package Huihu.src.Duoxiancheng;
//生产者消费者模型-->利用缓存区解决，管程法
//生产者 消费者 产品 缓冲区
public class TestPC {
    public static void main(String[] args) {
        SynContainer synContainer=new SynContainer();
        new Productor(synContainer).start();
        new Consumer(synContainer).start();
    }
}

//生产者
class  Productor extends Thread{
    SynContainer container;

    public Productor(SynContainer container) {
        this.container = container;
    }

    @Override
    public void run() {
        for (int i = 1; i <= 100; i++) {
            System.out.println("生产了"+i+"只鸡");
            container.push(new Chicken(i));
        }
    }
}

//消费者
class Consumer extends Thread{
    SynContainer container;

    public Consumer(SynContainer container) {
        this.container = container;
    }

    @Override
    public void run() {
        for (int i = 1; i <= 100; i++) {
            System.out.println("消费了"+ container.pop().id+"只鸡");
        }
    }
}

//产品
class Chicken{
    int id;
    public Chicken(int id){
        this.id=id;
    }
}

//缓冲区
class SynContainer{
    //需要一个容器大小
    Chicken [] chickens=new Chicken[10];
    //容器计数器
    int count=0;
    //生产者放入产品
    public synchronized void push(Chicken chicken){
        //如果容器满了就要等待消费者
        if (count==chickens.length){
            //通知消费者消费，生产者等待
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        //如果没有满，我们需要丢入产品
        chickens[count]=chicken;
        count++;
        //可以通知消费者消费了
        this.notifyAll();
    }
    //消费者消费产品
    public synchronized Chicken pop(){
        //判断能否消费
        if (count==0){
            //消费者等待生产
            try {
                this.wait();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        //如果可以消费
        count--;
        Chicken chicken=chickens[count];
        //通知生产者生产
        this.notifyAll();
        return chicken;
    }
}